JP2557461Y2 - Expansion joints for walls - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an expansion joint for a wall provided in a space between buildings.

[0002]

2. Description of the Related Art In general, an expansion joint for a wall interposed between skeletons has an edge material attached to both skeletons, and a plate material abuts between the edge materials so as to slide and tilt freely. It was a structure to hold.

[0003]

[Problems to be Solved by the Invention] However, when the clearance between both frames greatly changes due to an earthquake, a typhoon, or the like, this type of structure cannot sufficiently cope.

[0004] Therefore, an object of the present invention is to solve such a conventional problem and to provide an expansion joint that can smoothly adapt to fluctuations between both frames.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a connector having a guide inclined surface and a horizontal sliding surface.
Horizontal sliding between the opposing skeletons
The spacing portion closer <br/> than the opposing surface of a back side and Ryomukurotai than the surface, disposed folding extendable pantograph holding mechanism via a pair of left and right hinges, the induced lateral side ends Inclination
In the joint body having the inclined guide part facing the slope,
A spring holding mechanism that closes the gap between the two frames and further urges the joint body freely in the front-rear direction and urges the joint body rearward is attached to the joint body rearward so as to protrude rearward. > Attach to bolts that penetrate the pantograph type holding mechanism.
The maximum value of the amount of movement of the joint body in the front-rear direction is
Install it more than the distance from the outer wall of both
It is obtained by constant.

[0006]

The expansion joint constructed as described above absorbs the fluctuation by swinging the hinge even if the two frames are relatively displaced in the front-rear direction due to an earthquake or the like, and the two frames are relatively moved in the vertical direction. , The pantograph-type holding mechanism swings to absorb the fluctuation.

Further, even if the interval between the two frames greatly changes, the pantograph-type holding mechanism expands and contracts to absorb the fluctuation.
In the case where the gap is greatly narrowed, the inclined guide portion slides on the corner of the skeleton, and the joint main body rides on the outer wall surface of the skeleton, so that the joint main body can follow the fluctuation without being damaged. Further, the resilient holding mechanism restores the joint body to the original state.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the drawings showing embodiments.

[0009] Figure 1 illustrates one embodiment of expansion joint for the wall according to the present invention, the expansion joint, inducing the inclined surface 12 and horizontal sliding
Between the opposing frame members A and B having the corners where the moving surface 18 is provided, on the back side of the horizontal sliding surface 18 and
A pantograph-type holding mechanism 2 that is foldable and extendable via a pair of left and right hinges 1 and 1 is disposed closer to the gap 4 than the opposing surfaces of the two frames A and B, and the guiding inclined surfaces are provided at both left and right ends.
12 and 12 have inclined guide portions 10 and 10 facing each other.
That joint body 3 at both precursor between A, B (the outer wall corner portion)
Is closed, and the joint body 3 is moved back and forth (arrow E).
And an elastic holding mechanism 5 which is movable in the directions F) and elastically urges rearward (in the direction of arrow F) from the rear side of the joint body 3.
It is attached in a protruding manner and penetrates the pantograph-type holding mechanism 2
Attached to the bolt 20.

The joint body 3 is composed of an aggregate 6, a single panel 7 covered on the aggregate 6, a stone 8 composed of a ceramic plate such as a tile or ceramic, and an adhesive for attaching the same. And a filler 9 such as an adhesive or an adhesive mortar.

The stones 8 are the same as the stones 8a affixed to the frames A and B, respectively, and the surface (on the stone 8 side) of the joint body 3 when the frames A and B are at rest. Are both A and B
(On the side of the stone material 8a).

Further, the joint body 3 has, at both left and right ends, inclined guide portions 10 and 10 inclined at a predetermined inclination angle θ-for example, 30 ° to 60 °.
Reference numerals 0 and 10 are stainless steel strip-shaped parting materials 11 and 11.
Is formed.

At the corners of the two frame members A and B, strip members 13 and 13 made of stainless steel are fixedly attached to the corners of the two frame members A and B, respectively.
2 and 12 are formed.

The guide inclined surfaces 12, 12 facing the inclined guide portions 10 , 10 are close to or in contact with each other (at a predetermined interval G in the example in the figure) when both the frames A, B are stationary. Close).

Reference numerals 14 and 14 denote rims fixed to both skeletons A and B with anchor bolts and the like, and a waterproof waterproof plate 15 is interposed between the rims 14 and 14. Reference numeral 16 denotes a refractory zone prepared for a fire or the like.

[0016] 17 is a Enzai cover secured to each edge member 14, Ryomukurotai A, the quiescent B Te at a rear surface of the front joint body 3 of the Enzai cover 17 (aggregate 6) The horizontal sliding surfaces 18 face each other at a predetermined interval .

The pantograph-type holding mechanism 2 is shown in FIGS.
As shown in FIG. 2, a plurality of band plate members 25 are overlapped and pivotably connected to each other by bolt-nut couplings 26 and the like. As shown by the imaginary line in FIG. It is foldable and extendable and relatively swingable in the direction of arrow J (the direction perpendicular to the drawing in FIG. 1).

Further, one end of hinges 1 and 1 consisting of hinges and the like is pivotally connected to the left and right ends of the pantograph type holding mechanism 2 via bolt and nut connections 26, and the other ends of the hinges 1 and 1 are connected. However, both frames A,
B is fixed.

The hinges 1, 1 can swing as indicated by an arrow D. The hinges 1, 1 and the pantograph-type holding mechanism 2 allow the left and right sides (in the direction of arrow C) and the front and back (in the direction of arrow C) of the two frames A, B to move. E
And F direction) and up and down (in the direction of arrow J in FIG. 2 and the direction perpendicular to the drawing in FIG. 1).

The elastic holding mechanism 5 includes a bolt 20 inserted and held by a support member 19 (fixed to the back surface of the panel 7).
A nut 21 screwed to the tip of the bolt 20, an intermediate ring 22, an elastic member 23, and a spring receiving piece 24;
Consists of

The bolt 20 is provided in the hole of the support member 19 and in the center.
The intermediate ring 22 is inserted into the through hole 27 at the center of the pantograph-type holding mechanism 2 while being inserted .
The bolt 20 is inserted through the resilient member 23 and the spring receiving piece 2
4 by screwing the nut 21 to the bolt 20.
Thus , the joint body 3 is connected to the pantograph-type holding mechanism 2.

By this resilient holding mechanism 5 , the joint body 3 is
The bolt 20 can be moved in the front-rear direction (directions of arrows E and F) with respect to the pantograph-type holding mechanism 2 and can swing about the axis of the bolt 20.

The resilient member 23 is a compression coil spring or the like, and constantly resiliently urges the joint body 3 rearward (in the direction of arrow F) via a bolt 20, a nut 21 and a spring receiving piece 24, and a pantograph-type holding mechanism. 2 is held in a state where the joint body 3 is attracted.

Then, the pan tag is operated by the resilient holding mechanism 5.
The moving amount S in the front-rear direction of the joint body 3 connected to the rough holding mechanism 2 can be adjusted by screwing the nut 21 forward and backward, and the maximum value of the moving amount S is determined from the outer wall surfaces of the two frame bodies A and B. The distance to the back surface of the joint body 3 is H or more.

According to the expansion joint for a wall configured as described above, it is possible to sufficiently cope with a large displacement of the frames A and B due to an earthquake or the like as follows.

When the gap 4 between the two frames A and B is displaced in the expanding direction, the pantograph-type holding mechanism 2 extends to the left and right and follows, and when the two frames A and B are relatively displaced in the vertical direction. The pantograph-type holding mechanism 2 swings and follows as indicated by an arrow J in FIG.

Further, when the two frames A and B are relatively displaced in the front-rear direction, the swing can be followed by the swing of the hinges 1 and 1.

When the gap 4 between the two frames A and B is displaced in the direction of extension and forward (in the direction of the arrow E), the joint body 3 is placed on the horizontal sliding surfaces 18 and 18 of the edge material covers 17 and 17. , And swinging of the hinge parts 1, 1
The joint body 3 and the pantograph-type holding mechanism 2 move rearward, and
The inclined guide portions 10, 10 of the joint body 3 are adjacent or in contact with each other.

The tip slope portions 30, 30 are connected to the joint body 3
Functions as a guide surface when returning to the normal state of FIG.

Next, when the gap 4 between the two frames A and B is displaced in the direction of narrowing, the pantograph-type holding mechanism 2 is folded and shrunk, and the inclined guide portions 10 and
10 rides on the guide inclined surfaces 12, 12, and the joint body 3 moves forward to follow the fluctuation.

From this state, if both the bodies A and B fluctuate in the direction in which the gap 4 is narrowed, the movement amount S ≧ the gap H
The resilient holding mechanism 5 moves the joint body 3 further forward, and as shown in FIG.
10, the back surface of the joint body 3 climbs on the outer wall surfaces of the two frame bodies A and B over the guiding inclined surfaces 12 and 12, and follows the fluctuation.

In any case, when the earthquakes or the like are subsided and both frames A and B are in a stationary state, the state returns to the normal state shown in FIG. 1 and the joint body 3 is moved forward as described above. Even if it moves, the resilient holding mechanism 5 reliably restores the state shown in FIG.

The present invention is not limited to the above-described embodiment, and the design can be freely changed without departing from the gist of the present invention . For example, in FIG. It is free to increase or decrease.

As shown in FIG. 1, the stone 8 is made of an aluminum plate 3.
Backing plate 32 of aluminum honeycomb core structure sandwiched between 1, 31
Then, a thin stone plate 33 of about 4 to 5 mm in thickness such as marble,
It may be affixed with an adhesive or the like, which is advantageous in that it is lighter in weight than the above-mentioned tiles and ceramic plates such as ceramics.

According to this expansion joint, the joint body 3
Can be decorated in the same manner as the decoration of the outer walls of both frames A and B, so that there is an advantage that the appearance of the joint is inconspicuous in appearance.

[0036]

[Effect of the Invention] The present invention is constructed as described above, and thus has the following remarkable effects.

Even if the relative position between the two frames A and B greatly changes due to an earthquake, a typhoon, or the like, it is possible to smoothly cope with the fluctuation between the frames A and B without damaging the expansion joint.

Since this expansion joint is robust and excellent in durability, it is suitable for the case where the size of the space 4 between the two frames A and B is large.

[Brief description of the drawings]

FIG. 1 is a sectional plan view showing an embodiment of the present invention.

FIG. 2 is a front view of a pantograph-type holding mechanism.

FIG. 3 is a cross-sectional plan view for explaining an operation.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Hinge part 2 Pantograph type holding mechanism 3 Joint main body 4 Spacing part 5 Resilient holding mechanism 10 Inclined guide part 12 Guide inclined surface 18 Horizontal sliding surface 20 Bolt A Structure B Structure H Distance S Movement amount

Claims (1)

(57) [Scope of request for utility model registration] An inclining inclined surface and a horizontal sliding surface are provided.
Between the opposing skeletons A and B with the cut corners
Thus, on the back side of the horizontal sliding surface 18 and the two frame bodies A,
A pantograph-type holding mechanism 2 that is foldable and extendable via a pair of left and right hinge portions 1, 1 is disposed closer to the interval portion 4 than the opposing surface of B, and the guide inclined surfaces 12, 12 are provided at both left and right ends.
In the joint body 3 having the inclined guide portions 10 and 10 opposing to each other, the gap 4 between the two frame bodies A and B is closed, and further, the joint body 3 is movable in the front-rear direction and is elastically pushed backward. From the back surface of the joint body 3
The joint body 3 is attached to a bolt 20 that is attached in a protruding rearward direction and penetrates the pantograph-type holding mechanism 2 .
The maximum value of the amount of movement S in the front-back direction is
An expansion joint for a wall, wherein the distance between the wall and the back surface of the joint main body 3 is set to H or more .